Finding the Fourth Proportional to 832,991.12, 1,249,475.61 and 201,910.40
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Solution
The fourth proportional to 832,991.12, 1,249,475.61 and 201,910.40 is: 302,862.92
Step by Step Solution
- Step 1: Write the proportion equation
832,991.12 : 1,249,475.61 = 201,910.40 : x - Step 2: Convert to fraction form
832,991.12/1,249,475.61 = 201,910.40/x - Step 3: Cross multiply
832,991.12x = 1,249,475.61 × 201,910.40 - Step 4: Simplify right side
832,991.12x = 252,282,120,205.34 - Step 5: Solve for x
x = 252,282,120,205.34/832,991.12 - Step 6: Final answer
x = 302,862.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.